Some of them trained earlier this year with the Bergen County Police Water Search & Recovery Unit at the Ramapo Valley County Reservation in Mahwah. They also trained with Bergen County’s OEM in 2011 after Hurricane Irene sent a jolt through the valley.

The group routinely conducts drills, hoping to improve skills — and aware that it often takes far less than an historic storm to suddenly flood area neighborhoods.

Pascack’s swift water rescuers were among the most active in New Jersey during Hurricane Sandy, saving trapped residents in Moonachie, Little Ferry and Carlstadt.

A short time later, several of them rushed to the barrier islands — with full crews, trucks and engines — for 24- to 48-hour shifts aiding in the rescue efforts there.